| Date | IP Address |
| 2022-03-31 | 3.123.191.153 (ClassC) |
| 2024-11-24 | 18.192.33.107 (ClassC) |
| 2025-02-26 | 63.32.3.228 (ClassC) |
| 2025-04-27 | 54.76.100.255 (ClassC) |
| 2025-07-15 | 18.158.255.111 (ClassC) |
| 2025-08-18 | 18.158.116.139 (ClassC) |
| 2025-09-01 | 54.247.72.112 (ClassC) |
| 2025-09-09 | 52.212.77.132 (ClassC) |
| 2025-11-21 | 18.156.150.230 (ClassC) |
| Date | Domain | IP |
| gpd.navigator.kluwer.nl | 2024-11-24 | 18.192.33.107 |
| resource.navigator.kluwer.nl | 2024-11-24 | 18.198.232.121 |
| mtgaeu-nl-prd-fuse.navigator.kluwer.nl | 2024-11-24 | 18.198.232.121 |
| mtgaeu-nl-stg-fuse.navigator.kluwer.nl | 2024-12-29 | 44.210.173.99 |
| staging.navigator.kluwer.nl | 2024-11-25 | 44.210.173.99 |
| resource.staging.navigator.kluwer.nl | 2024-12-29 | 44.210.173.99 |
| gpd-stg.navigator.kluwer.nl | 2024-11-25 | 44.210.173.99 |
| rsi-stg.navigator.kluwer.nl | 2024-11-25 | 44.215.241.72 |
| tds-stg.navigator.kluwer.nl | 2024-11-25 | 44.215.241.72 |
| valet-stg.navigator.kluwer.nl | 2025-08-25 | 104.18.42.63 |
| rsi.navigator.kluwer.nl | 2024-11-24 | 18.192.33.107 |
| spooler.navigator.kluwer.nl | 2024-11-24 | 18.198.232.121 |
| tds.navigator.kluwer.nl | 2024-11-24 | 18.198.232.121 |
| rss.navigator.kluwer.nl | 2024-11-24 | 18.192.33.107 |
| valet.navigator.kluwer.nl | 2025-08-10 | 172.66.131.182 |